ru.biosoft.math
Class Expression

java.lang.Object
  com.beanexplorer.beans.Option
      ru.biosoft.math.Expression

public class Expression

extends com.beanexplorer.beans.Option

Mathematical expression. Expression has two presentations:

1. text - text string using linear syntaxes;
2. ast - AST tree that corresponds to parsed expression.

Field Summary

protected AstStart	astStart
protected ParserContext	context
static Parser	linearParser
protected static org.apache.log4j.Category	log
protected java.lang.String	text

Fields inherited from class com.beanexplorer.beans.Option

notificationEnabled, propagationEnabled

Constructor Summary

Expression(com.beanexplorer.beans.Option parent, org.w3c.dom.Node mathElement)
Constructs new expression from linear syntax or MathML text.

Expression(com.beanexplorer.beans.Option parent, java.lang.String text)
Constructs new expression from linear syntax or MathML text.

Method Summary

AstStart	getAstStart()
ParserContext	getParserContext()
java.lang.String	getText()
void	parseExpression(org.w3c.dom.Node math)
void	parseExpression(java.lang.String text)
void	setAstStart(AstStart astStart)
void	setParserContext(ParserContext context)
void	setText(java.lang.String text)

Methods inherited from class com.beanexplorer.beans.Option

addPropertyChangeListener, copyListenersTo, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getParent, isNotificationEnabled, isPropagationEnabled, removePropertyChangeListener, setNotificationEnabled, setParent, setPropagationEnabled

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

log

protected static org.apache.log4j.Category log

text

protected java.lang.String text

astStart

protected AstStart astStart

context

protected ParserContext context

linearParser

public static Parser linearParser

Constructor Detail

Expression

public Expression(com.beanexplorer.beans.Option parent,
                  java.lang.String text)

Constructs new expression from linear syntax or MathML text.

Expression

public Expression(com.beanexplorer.beans.Option parent,
                  org.w3c.dom.Node mathElement)

Constructs new expression from linear syntax or MathML text.

Method Detail

getText

public java.lang.String getText()

setText

public void setText(java.lang.String text)

getAstStart

public AstStart getAstStart()

setAstStart

public void setAstStart(AstStart astStart)

getParserContext

public ParserContext getParserContext()

setParserContext

public void setParserContext(ParserContext context)

parseExpression

public void parseExpression(java.lang.String text)

Pendung:

- log messages.

parseExpression

public void parseExpression(org.w3c.dom.Node math)